Ahmed Hussein created HADOOP-17102:
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Summary: Add checkstyle rule to prevent further usage of Guava
classes
Key: HADOOP-17102
URL: https://issues.apache.org/jira/browse/HADOOP-17102
Project: Hadoop Common
Issue Type: Sub-task
Components: build, precommit
Reporter: Ahmed Hussein
Assignee: Ahmed Hussein
We should have precommit rules to prevent further usage of Guava classes that
are available in Java8+
A list replacing Guava APIs with java8 features:
{code:java}
com.google.common.io.BaseEncoding#base64() java.util.Base64
com.google.common.io.BaseEncoding#base64Url() java.util.Base64
com.google.common.base.Joiner.on()
java.lang.String#join() or
java.util.stream.Collectors#joining()
com.google.common.base.Optional#of() java.util.Optional#of()
com.google.common.base.Optional#absent()
java.util.Optional#empty()
com.google.common.base.Optional#fromNullable() java.util.Optional#ofNullable()
com.google.common.base.Optional java.util.Optional
com.google.common.base.Predicate
java.util.function.Predicate
com.google.common.base.Function
java.util.function.Function
com.google.common.base.Supplier
java.util.function.Supplier
{code}
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